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							107 lines
						
					
					
						
							2.5 KiB
						
					
					
				
			
		
		
	
	
							107 lines
						
					
					
						
							2.5 KiB
						
					
					
				| 'use strict';
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| 
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| /*!
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|  * Module dependencies.
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|  */
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| 
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| const Binary = require('../driver').get().Binary;
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| const Decimal128 = require('../types/decimal128');
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| const ObjectId = require('../types/objectid');
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| const isMongooseObject = require('./isMongooseObject');
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| 
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| exports.flatten = flatten;
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| exports.modifiedPaths = modifiedPaths;
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| 
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| /*!
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|  * ignore
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|  */
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| 
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| function flatten(update, path, options, schema) {
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|   let keys;
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|   if (update && isMongooseObject(update) && !Buffer.isBuffer(update)) {
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|     keys = Object.keys(update.toObject({ transform: false, virtuals: false }));
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|   } else {
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|     keys = Object.keys(update || {});
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|   }
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| 
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|   const numKeys = keys.length;
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|   const result = {};
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|   path = path ? path + '.' : '';
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| 
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|   for (let i = 0; i < numKeys; ++i) {
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|     const key = keys[i];
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|     const val = update[key];
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|     result[path + key] = val;
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| 
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|     // Avoid going into mixed paths if schema is specified
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|     const keySchema = schema && schema.path && schema.path(path + key);
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|     const isNested = schema && schema.nested && schema.nested[path + key];
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|     if (keySchema && keySchema.instance === 'Mixed') continue;
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| 
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|     if (shouldFlatten(val)) {
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|       if (options && options.skipArrays && Array.isArray(val)) {
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|         continue;
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|       }
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|       const flat = flatten(val, path + key, options, schema);
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|       for (const k in flat) {
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|         result[k] = flat[k];
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|       }
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|       if (Array.isArray(val)) {
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|         result[path + key] = val;
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|       }
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|     }
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| 
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|     if (isNested) {
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|       const paths = Object.keys(schema.paths);
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|       for (const p of paths) {
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|         if (p.startsWith(path + key + '.') && !result.hasOwnProperty(p)) {
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|           result[p] = void 0;
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|         }
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|       }
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|     }
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|   }
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| 
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|   return result;
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| }
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| 
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| /*!
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|  * ignore
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|  */
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| 
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| function modifiedPaths(update, path, result) {
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|   const keys = Object.keys(update || {});
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|   const numKeys = keys.length;
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|   result = result || {};
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|   path = path ? path + '.' : '';
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| 
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|   for (let i = 0; i < numKeys; ++i) {
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|     const key = keys[i];
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|     let val = update[key];
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| 
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|     result[path + key] = true;
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|     if (isMongooseObject(val) && !Buffer.isBuffer(val)) {
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|       val = val.toObject({ transform: false, virtuals: false });
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|     }
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|     if (shouldFlatten(val)) {
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|       modifiedPaths(val, path + key, result);
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|     }
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|   }
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| 
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|   return result;
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| }
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| 
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| /*!
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|  * ignore
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|  */
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| 
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| function shouldFlatten(val) {
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|   return val &&
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|     typeof val === 'object' &&
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|     !(val instanceof Date) &&
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|     !(val instanceof ObjectId) &&
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|     (!Array.isArray(val) || val.length > 0) &&
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|     !(val instanceof Buffer) &&
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|     !(val instanceof Decimal128) &&
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|     !(val instanceof Binary);
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| }
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